140001941 has 2 divisors, whose sum is σ = 140001942. Its totient is φ = 140001940.

The previous prime is 140001923. The next prime is 140001947. The reversal of 140001941 is 149100041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109641841 + 30360100 = 10471^2 + 5510^2 .

It is a cyclic number.

It is not a de Polignac number, because 140001941 - 2⁶ = 140001877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140001947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70000970 + 70000971.

It is an arithmetic number, because the mean of its divisors is an integer number (70000971).

Almost surely, 2^140001941 is an apocalyptic number.

It is an amenable number.

140001941 is a deficient number, since it is larger than the sum of its proper divisors (1).

140001941 is an equidigital number, since it uses as much as digits as its factorization.

140001941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 140001941 is about 11832.2415881354. The cubic root of 140001941 is about 519.2518098481.

Adding to 140001941 its reverse (149100041), we get a palindrome (289101982).

The spelling of 140001941 in words is "one hundred forty million, one thousand, nine hundred forty-one".